Videos from Facebook are unable to cast using Chromecast With the release of V52. Tab casting from while in Facebook simply doesn’t work. All I see is a Facebook logo on a black background. It doesn’t matter if we cast to a Google TV box or directly to a Chromecast device, Facebook casting does not work.
Other apps like Youtube, CNN are working fine

Apparently the issue seems to be bigger than the facebook app… TP-Link engineer who investigated the issue said Google’s chromecast sending hundreds of thousands of data packets in a short amount of time causing the crash of routers… Surprisingly Google has acknowledged the issue promising a fix. so if your internet is acting up and you own a chromecast you might wonna disconnect it for a whileMore info